<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			.box{
				width: 256px;
				height: 256px;
				background-image: url("./img/bg2.png");
				animation: run 1s steps(6) infinite;
				margin:  100px auto;
			}
			@keyframes  run{
				from{background-position: 0 0;}
				to{background-position: -1536px 0;}
			}
		</style>
	</head>
	<body>
		<div class="box"></div>
	</body>
</html>
